2_g2-6_lilienthal

Published July 6, 2015 at 1170 × 764 in 2_g2-6_lilienthal
Otto Lilienthal in flight, 1894–1896. National Air and Space Museum, Archives

Otto Lilienthal in flight, 1894–1896. National Air and Space Museum, Archives

Otto Lilienthal in flight, 1894–1896. National Air and Space Museum, Archives

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